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Perhaps I've learned too much about the technical aspects of SEO, but nowhere have I found scientific studies backing up any claims made here, or a useful answer to a discussion I recently started. Maybe it doesn't exist. I do enjoy Whiteboard Friday's. They're fantastic for new ideas. This site is great. But I take it there are no proper studies conducted that examine SEO, rather just the usual spin of "belief from authority". No?

I've been partaking in an extensive trial study and will be releasing the results soon, however I do have quite a strong indication to the answer to this question but would like to see what everyone else thinks first, to see where the common industry mindset is at. Let's say SiteA.com/page1.html is PR5 and links out to SiteB.com/page1.html This of course would count as a valuable backlink. Now, what would happen if SiteA.com/page2.html, which is also PR5, links out to SiteB.com/page2.html ? The link from SiteA is coming from a different page, and is also pointing to a different deeplink on SiteB, however it will contain the same IP address. What would the benefit be for having multiple deeplinks in this way (as outlined above, please read it carefully before responding) as opposed to having just a single deeplink from the domain? If a benefit does exist, then does the benefit start to become trivial? This has nothing to do with sitewide links. Serious answers only please.